Live feed12:37:13·764dINSIDERFilingvia QuantisnowRoberts Gregory N sold $582,899 worth of shares (15,000 units at $38.86) and exercised 15,000 shares at a strike of $8.40 (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.AMRK· A-Mark Precious Metals Inc.IndustrialsOriginal source